STEVAL-ISQ002V1 STMicroelectronics, STEVAL-ISQ002V1 Datasheet - Page 42

• Manufacturer Part Number: STEVAL-ISQ002V1
• Description: BOARD EVAL BASED ON ST72264G1
• Manufacturer: STMicroelectronics

Specifications of STEVAL-ISQ002V1

• Main Purpose: Interface, PMBus
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: ST72F264
• Primary Attributes: The PMBus™ Interface Using the ST7 I2C Peripheral
• Secondary Attributes: Firmware in C Language
• Product: Power Management Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6423

ST72260Gx, ST72262Gx, ST72264Gx
I/O PORTS (Cont’d)
9.7 DEVICE-SPECIFIC I/O PORT CONFIGURATION
The I/O port register configurations are summa-
rised as follows.
Interrupt Ports
PA7, PA5, PA3:0, PB7:0, PC5:0 (with pull-up)
Table 9. Port Configuration
42/172
floating input
pull-up interrupt input
open drain output
push-pull output
Port C
Port A
Port B
Port
PA7
PA6
PA5
PA4
PA3:0
PB7:0
PC5:0
Pin Name
MODE
OR = 0
floating
floating
floating
floating
floating
floating
floating
Input (DDR = 0)
DDR
0
0
1
1
floating interrupt
floating interrupt
pull-up interrupt
pull-up interrupt
pull-up interrupt
pull-up interrupt
pull-up interrupt
OR
OR = 1
0
1
0
1
True Open Drain Interrupt Ports
PA6, PA4 (without pull-up)
floating input
floating interrupt input
open drain (high sink ports)
open drain
open drain
open drain
open drain
open drain
OR = 0
true open-drain
true open-drain
MODE
Output (DDR = 1)
push-pull
push-pull
push-pull
push-pull
push-pull
OR = 1
DDR
0
0
1
High-Sink
Yes
No
OR
X
0
1